.banner {
  position: relative;
  height: 1.54rem;
  z-index: 5;
}
.banner .ad-img {
  width: 100%;
  height: 100%;
  display: block;
}
.banner .icon-fresh {
  position: absolute;
  left: 50%;
  bottom: 1.86rem;
  margin-left: -0.44rem;
  width: 0.88rem;
  height: 0.9rem;
  background-position: 0 -0.6rem;
}
.banner .icon-code {
  position: absolute;
  right: 0.32rem;
  bottom: 1.96rem;
  width: 1.52rem;
  height: 1.52rem;
  background-position: 0 -2rem;
}
.banner .icon-close {
  position: absolute;
  left: 0.18rem;
  top: 0.14rem;
  width: 0.4rem;
  height: 0.4rem;
  background-position: -2.8rem -1.6rem;
}
